#red.treeview li { background: url(images/red/tv-item.gif) 0 0 no-repeat; }
#red.treeview .collapsable { background-image: url(images/red/tv-collapsable.gif); }
#red.treeview .expandable { background-image: url(images/red/tv-expandable.gif); }
#red.treeview .last { background-image: url(images/red/tv-item-last.gif); }
#red.treeview .lastCollapsable { background-image: url(images/red/tv-collapsable-last.gif); }
#red.treeview .lastExpandable { background-image: url(images/red/tv-expandable-last.gif); }

#black.treeview li { background: url(images/black/tv-item.gif) 0 0 no-repeat; }
#black.treeview .collapsable { background-image: url(images/black/tv-collapsable.gif); }
#black.treeview .expandable { background-image: url(images/black/tv-expandable.gif); }
#black.treeview .last { background-image: url(images/black/tv-item-last.gif); }
#black.treeview .lastCollapsable { background-image: url(images/black/tv-collapsable-last.gif); }
#black.treeview .lastExpandable { background-image: url(images/black/tv-expandable-last.gif); }

#gray.treeview li { background: url(images/gray/tv-item.gif) 0 0 no-repeat; }
#gray.treeview .collapsable { background-image: url(images/gray/tv-collapsable.gif); }
#gray.treeview .expandable { background-image: url(images/gray/tv-expandable.gif); }
#gray.treeview .last { background-image: url(images/gray/tv-item-last.gif); }
#gray.treeview .lastCollapsable { background-image: url(images/gray/tv-collapsable-last.gif); }
#gray.treeview .lastExpandable { background-image: url(images/gray/tv-expandable-last.gif); }